http://hal.in2p3.fr/in2p3-00019952 Contributor : Lpsc BibliothequeConnect in order to contact the contributor Submitted on : Friday, November 15, 2002 - 10:20:05 AM Last modification on : Thursday, November 19, 2020 - 12:58:38 PM Long-term archiving on: : Tuesday, March 30, 2010 - 6:01:14 PM